Maternal Secondhand Smoke Exposure and Risk of Preterm Birth: A Systematic Review and Meta-Analysis With National Epidemiological Context From Indonesia
This systematic review and meta-analysis demonstrates that maternal secondhand smoke exposure significantly increases the risk of preterm birth (pooled OR = 1.63), a finding contextualized by high indoor smoking rates in Indonesia that underscores the urgent need for comprehensive tobacco control measures to protect maternal and neonatal health.